Search results | ÚOP v Liberci http://iispp.npu.cz/carmentest/library/liberec/search/by-authority/242635/rss?lang=EN&ticketId=-8 Search by authority: Personal names = Magula, Rudolf, 1932- Drahý opál – ťažba a spracovanie v Slanských vrchoch Magula, Rudolf, 1932-